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Alta

Claude Code has Sandbox Escape via Persistent Configuration Injection in settings.json

  • Publicada: 06.02.2026
  • Actualizado: 11.10.2026 10:22

Claude Code's bubblewrap sandboxing mechanism failed to properly protect the .claude/settings.json configuration file when it did not exist at startup. While the parent directory was mounted as writable and .claude/settings.local.json was explicitly protected with read-only constraints, settings.json was not protected if it was missing. This allowed malicious code running inside the sandbox to create this file and inject persistent hooks (such as SessionStart commands) that would execute with host privileges when Claude Code was restarted.

Users on standard Claude Code auto-update received this fix automatically. Users performing manual updates are advised to update to the latest version.

Claude Code thanks hackerone.com/edbr for reporting this issue!

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de npm @anthropic-ai/claude-code < 2.1.2 2.1.2

Referencias

Puntuación CVSS -
Vector CVSS
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Debilidad (CWE)
CWE-501, CWE-668
Plataforma
npm
Paquete
@anthropic-ai/claude-code
Publicada
06.02.2026
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-ff64-7w26-62rf - CC BY 4.0

Historial de vulnerabilidades: @anthropic-ai/claude-code

Todas las vulnerabilidades publicadas de este paquete (Paquete de npm), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (29) en el archivo
Entradas en total
29
Primera → última
06.2025 10.2026
Sin corrección
0
Explotada en ataques
0

Distribución por gravedad

  • Alta 23
  • Media 4
  • Baja 2

Divulgaciones por año

Gravedad:
  1. Claude Code: La omisión del anclaje de hash del complemento permite eludir el hash pinning
    Alta CVE-2026-86063 < 2.1.179 2.1.179
  2. Claude Code: Sandbox Escape via Git Worktree Path Confusion Allows Unsandboxed Code Execution
    Alta CVE-2026-55607 >= 2.1.38, < 2.1.163 2.1.163
  3. Claude Code: Trust Dialog Bypass via Git Worktree Spoofing Allows Arbitrary Code Execution
    Alta CVE-2026-40068 >= 2.1.63, < 2.1.84 2.1.84
  4. Claude Code: Sandbox Escape via Symlink Following Allows Arbitrary File Write Outside Workspace
    Alta · 10.0 CVE-2026-39861 < 2.1.64 2.1.64
  5. Claude Code has a Workspace Trust Dialog Bypass via Repo-Controlled Settings File
    Alta CVE-2026-33068 < 2.1.53 2.1.53
  6. Claude Code has Sandbox Escape via Persistent Configuration Injection in settings.json esta entrada
    Alta CVE-2026-25725 < 2.1.2 2.1.2
  7. Claude Code Vulnerable to Command Injection via Piped sed Command Bypasses File Write Restrictions
    Alta CVE-2026-25723 < 2.0.55 2.0.55
  8. Claude Code Vulnerable to Command Injection via Directory Change Bypasses Write Protection
    Alta CVE-2026-25722 < 2.0.57 2.0.57
  9. Claude Code has a Command Injection in find Command Bypasses User Approval Prompt
    Alta CVE-2026-24887 < 2.0.72 2.0.72
  10. Claude Code has a Path Restriction Bypass via ZSH Clobber which Allows Arbitrary File Writes
    Alta CVE-2026-24053 < 2.0.74 2.0.74
  11. Claude Code has a Domain Validation Bypass which Allows Automatic Requests to Attacker-Controlled Domains
    Alta CVE-2026-24052 < 1.0.111 1.0.111
  12. Claude Code Command Validation Bypass Allows Arbitrary Code Execution
    Alta CVE-2025-66032 < 1.0.93 1.0.93
  13. @anthropic-ai/claude-code has Sed Command Validation Bypass that Allows Arbitrary File Writes
    Alta CVE-2025-64755 < 2.0.31 2.0.31
  14. Claude Code vulnerable to command execution prior to startup trust dialog
    Alta CVE-2025-65099 < 1.0.39 1.0.39
  15. Claude Code can execute commands prior to the startup trust dialog
    Alta CVE-2025-59536 < 1.0.111 1.0.111
  16. Claude Code Vulnerable to Arbitrary Code Execution via Plugin Autoloading with Specific Yarn Versions
    Alta CVE-2025-59828 < 1.0.39 1.0.39
  17. Claude Code vulnerable to arbitrary code execution caused by maliciously configured git email
    Alta CVE-2025-59041 < 1.0.105 1.0.105
  18. Claude Code rg vulnerability does not protect against approval prompt bypass
    Alta CVE-2025-58764 < 1.0.105 1.0.105
  19. Claude Code Vulnerable to Arbitrary Code Execution Due to Insufficient Startup Warning
    Alta ghsa-ph6w-f82w-28w6 < 1.0.87 1.0.87
  20. Claude Code's Permissive Default Allowlist Enables Unauthorized File Read and Network Exfiltration in Claude Code
    Alta CVE-2025-55284 < 1.0.4 1.0.4
  21. Claude Code echo command allowed bypass of user approval prompt for command execution
    Alta CVE-2025-54795 < 1.0.20 1.0.20
  22. Claude Code Research Preview has a Path Restriction Bypass which could allow unauthorized file access
    Alta CVE-2025-54794 < 0.2.111 0.2.111
  23. Claude Code Improper Authorization via websocket connections from arbitrary origins
    Alta CVE-2025-52882 >= 0.2.116, < 1.0.24 1.0.24

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